Q: Is 18,628 a Prime Number?
A: No, 18,628 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 18628 can be evenly divided by 1 2 4 4,657 9,314 and 18,628, with no remainder.
Since 18,628 cannot be divided by just 1 and 18,628, it is not a prime number.